XML 25 R13.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Intangible Assets
3 Months Ended
Apr. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Intangible assets consisted of the following (in thousands):
As of January 31,As of April 30,
20242024
Intellectual property excluding patents
$2,484$2,437
Patents
950950
3,4343,387
Less accumulated amortization
(694)(837)
$2,740$2,550
Amortization expense related to intangible assets was $20,000 and $0.1 million for the three months ended April 30, 2023 and 2024, respectively. The patents were acquired and are being amortized over a weighted-average remaining useful life of approximately 3.0 years. Intellectual property excluding patents is being amortized over a remaining useful life of 4.8 years.